func initConsole() { // colbits := uint(0) XX, YY, colbits, fbmem = ker.Framebuffer() if fbmem == nil { // terminateConsole () panic("framebuffer was not initialized! (is /dev/fb0 crw-rw-rw ?)") // Speicherzugriffsfehler } maxMode = Mode(0) for { if XX == nX[maxMode] && YY == nY[maxMode] { mode = maxMode break } else if maxMode+1 < NModes { maxMode++ } else { mode = defaultMode XX, YY = nX[mode], nY[mode] break } } switch colbits { case 4, 8: colourdepth = 1 case 15, 16: colourdepth = 2 case 24: colourdepth = 3 case 32: colourdepth = 4 default: ker.Stop(pack, 100+colbits) } col.SetColourDepth(colbits) fbmemsize := nY[maxMode] * nX[maxMode] * uint(colourdepth) if uint(len(fbmem)) != fbmemsize { terminateConsole() println("len(fbmem) == ", len(fbmem), " != fbmemsize == ", fbmemsize) panic("len(fbmem) not ok !") } swFontsize(font.Normal) fbcop = make([]byte, fbmemsize) archive = make([]byte, fbmemsize) // for n:= 0; n < int(len(fbmem)) - int(colourdepth); n += int(colourdepth) { // copy (archive[n:n+int(colourdepth)], cc (col.EncodeF)) // } emptyBackground = make([]byte, fbmemsize) print(esc1 + "2J" + esc1 + "?1c" + esc1 + "?25l") Colours(col.ScreenF, col.ScreenB) initMouse() visible = true go blink() ker.InitConsole() ker.SetAction(syscall.SIGUSR1, consoleOff) ker.SetAction(syscall.SIGUSR2, consoleOn) ker.InstallTerm(terminateConsole) go ker.CatchSignals() initConsoleFonts() }
func Init(w, h uint, cF, cB col.Colour) (uint, uint, uint) { // initialized = false // maxX, maxY, bitdepth = Screen() bdp := uint(bitdepth) switch bdp { case 15, 16, 24, 32: col.SetColourDepth(bdp) default: panic("strange colourdepth") /* Terminate (); */ os.Exit(1) } colourdepth := (bdp + 1) / 8 col.ScreenF, col.ScreenB = cF, cB xx, yy = C.uint(w), C.uint(h) window = C.XCreateSimpleWindow(display, C.Window(window0), 0, 0, xx, yy, C.uint(0), C.ulong(0), cc(col.ScreenB)) // var E C.XEvent // C.XNextEvent (display, &E) // XCreate... did not produce an XEvent C.initialize(display, screen, window) t := C.CString(env.Par(0)) defer C.free(unsafe.Pointer(t)) C.XStoreName(display, window, t) C.XMapRaised(display, window) const inputmask = (C.KeyPressMask + // C.KeyReleaseMask + C.ButtonPressMask + C.ButtonReleaseMask + C.PointerMotionMask + C.ExposureMask + C.StructureNotifyMask) C.XSelectInput(display, window, inputmask) cursor := C.XCreateFontCursor(display, C.XC_gumby) C.XDefineCursor(display, window, cursor) graphicsContext = C.XDefaultGC(display, screen) // C.XFlushGC (display graphicsContext) C.XSetGraphicsExposures(display, graphicsContext, C.False) SetFontsize(16) initialized = true Colours(cF, cB) C.XSetForeground(display, graphicsContext, cc(col.ScreenB)) C.XFillRectangle(display, C.Drawable(window), graphicsContext, 0, 0, xx, yy) pixmap = C.XCreatePixmap(display, C.Drawable(window), xx, yy, bitdepth) pixmap1 = C.XCreatePixmap(display, C.Drawable(window), maxX, maxY, bitdepth) C.XFillRectangle(display, C.Drawable(pixmap), graphicsContext, 0, 0, xx, yy) C.XFillRectangle(display, C.Drawable(pixmap1), graphicsContext, 0, 0, xx, yy) C.XSetForeground(display, graphicsContext, cc(col.ScreenF)) MouseDef(0, 0, int(xx-1), int(yy-1)) var E C.XEvent C.XNextEvent(display, &E) var et C.int = C.typ(&E) // et == *E.type switch et { case C.Expose, C.ConfigureNotify: // zur Erstausgabe for C.XCheckTypedEvent(display, et, &E) == C.True { } // pp2ff () case KeyPress, KeyRelease, ButtonPress, ButtonRelease, MotionNotify: C.XPutBackEvent(display, &E) case C.ReparentNotify: // at Switch (?) // ignore default: // for test purposes // println ("at initializing x:" + txt [et]) } p := C.CString("WM_PROTOCOLS") defer C.free(unsafe.Pointer(p)) wm_protocols := C.XInternAtom(display, p, C.False) C.XSetWMProtocols(display, window, &wm_protocols, 1) s := C.CString("_NET_WM_STATE") defer C.free(unsafe.Pointer(s)) netwm_state = C.XInternAtom(display, s, C.False) f := C.CString("_NET_WM_STATE_FULLSCREEN") defer C.free(unsafe.Pointer(f)) fullscreen = C.XInternAtom(display, f, C.False) m := C.CString("navi") defer C.free(unsafe.Pointer(m)) naviAtom = C.XInternAtom(display, m, C.False) Eventpipe = make(chan Event) go sendEvents() // C.XFlush (display) // println ("init ok") return uint(maxX), uint(maxY), colourdepth }